EL1881CN Ver la hoja de datos (PDF) - Elantec -> Intersil

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EL1881CN

Sync separator, low power

Elantec -> Intersil 

Timing Diagrams

EL1881C

Sync Separator, Low Power

Notes:

b. The composite sync output reproduces all the video input sync pulses, with a propagation delay.

c. Vertical sync leading edge is coincident with the first vertical serration pulse leading edge, with a propagation delay.

d. Odd-even output is low for even field, and high for odd field.

e. Back porch goes low for a fixed pulse width on the trailing edge of video input sync pulses. Note that for serration pulses

during vertical, the back porch starts on the rising edge of the serration pulse (with propagation delay).

* Signal 1a drawing reproduced with permission from EIA.

Figure 1. Standard (NTSC Input) Timing

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